Denis Joseph Driscoll (March 27, 1871 – January 18, 1958) was an American lawyer, educator, and politician who served as a Democratic member of the U.S. House of Representatives from Pennsylvania for one term from 1935 to 1937.

He attended the Lawrenceville Academy, and State Teachers' College in Potsdam, New York.

He was also president of St. Marys School Board from 1911 to 1936, and a delegate to the Democratic National Conventions in 1916 and 1920.

He served as United States Attorney for the western district of Pennsylvania in 1920 and 1921.

He was appointed chairman of the Pennsylvania Public Utility Commission for a ten-year term in 1937, and he resigned from this position to accept an appointment in 1940, by the United States District Court for the Southern District of New York, as one of two trustees in the reorganization of the bankrupt Associated Gas and Electric Corporation, and served until August 1946.